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slavikrds [6]
3 years ago
7

Which of these is a mixture a. Water b. Vinegar c. Carbon dioxide d popcorn salt

Biology
2 answers:
BigorU [14]3 years ago
6 0
Popcorn salt is the mixture!
Sedbober [7]3 years ago
6 0

The right option is; d popcorn salt

A mixture is a substance that is formed when two or more different substances are combined in a way that no chemical reaction takes place between the substances. In a mixture, each of the constituents maintains its chemical identity, and the mixture can be separated back to its normal constituent. Examples of mixtures are salt and pepper, water and salt etc.

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Geneticists have determined that the majority of individuals in an isolated island population have blood type
oee [108]

Question continuation;

..........type B. Type A is found to be more common in the mainland population from which the island was settled.

How could a geneticist best explain the dominance of blood type B in the island population?


Multiple choices;

A. Random mutations have occurred in the island population.

B. Genetic drift has reduced the frequency of type A individuals.

C. Natural selection has only occurred in the mainland population.

D. Environmental conditions on the island are less favorable for type B individuals.


Answer;

B. Genetic drift has reduced the frequency of type A individuals.


Explanation;

-Genetic drift is a mechanism of evolution in which allele frequencies of a population change over generations due to chance.

-It occurs in all populations of non-infinite size, but its effects are strongest in small populations.

8 0
3 years ago
Read 2 more answers
Which of the following is related to the likelihood that a mother develops postpartum depression?
Veronika [31]

Answer:

Option D

Explanation:

Postpartum depression is majorly experienced in woman who has recently entered into motherhood. This form of depression arises because of the complications involved in a child birth. It is strongly driven by sudden changes that come up in the life of a woman after becoming mother such as – loss of job, responsibility of child, tight life schedule etc. some common symptoms of this problem include – mood swing, anxiety, sleeplessness, crying etc.  

Hence, option D is correct

4 0
3 years ago
Read 2 more answers
Why is Social Distancing and Quarantine Important?
Oliga [24]

Answer:

So you dont spread the germs along with wearing masks this helps a lot.

Explanation:

8 0
2 years ago
Plz help thank you❤️❤️❤️❤️❤️❤️❤️❤️❤️❤️
SVEN [57.7K]
Vaccines, wash your hands, and condoms. There might be more but I think that’s it, hope this helped!
4 0
2 years ago
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Select which of the following is not an accurate portrayal of mutations.
Shtirlitz [24]
D. Mutations will always impact an individual on some level

Most of these seem accurate or at least close to being accurate on how mutations affect genes however, some mutations won’t always impact an individual because some mutations are so minor. But this is my best guess
4 0
2 years ago
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